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Enhancing resolution of single-pixel imaging system

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Abstract

In this paper, we propose a subpixel-shifted method to overcome the limitations on the resolution of an image obtained from single-pixel imaging system. In the proposed method, modulation system is moved by sub-integer low grid units, and new information contained in each shifted low grid area can be exploited to obtain a high-resolution image. The front and back modulation single-pixel imaging systems are analyzed. Based on the shifted and point spread function parameters, this method using compressed sensing algorithm can overcome the limitative resolution generated by the modulation system pixel size and transmission effect to get high-resolution image. Finally, the machining experiment results prove the effective of the proposed method.

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Acknowledgments

The work was supported by the National Natural Science Foundation of China (Grant Nos. 11404344, 41475001, 41205020, and 41127901).

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Authors and Affiliations

  1. Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, China

    Dongfeng Shi, Jian Huang, Feng Wang, Kaifa Cao, Kee Yuan, Shunxing Hu & Yingjian Wang

  2. University of Science and Technology of China, Hefei, 230026, China

    Feng Wang & Yingjian Wang

  3. State Key Laboratory of Pulsed Power Laser Technology, Electronic Engineering Institute, Hefei, 230037, China

    Feng Wang

Authors
  1. Dongfeng Shi
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  2. Jian Huang
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  3. Feng Wang
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  4. Kaifa Cao
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  5. Kee Yuan
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  6. Shunxing Hu
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  7. Yingjian Wang
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Corresponding author

Correspondence to Kee Yuan.

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Shi, D., Huang, J., Wang, F. et al. Enhancing resolution of single-pixel imaging system. Opt Rev 22, 802–808 (2015). https://doi.org/10.1007/s10043-015-0136-z

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